:root {
            --primary: #7c3aed;
            --primary-dark: #6d28d9;
            --secondary: #f97316;
            --accent: #06b6d4;
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
            --dark: #0f0f23;
            --dark-secondary: #1a1a2e;
            --light: #f8fafc;
            --text-muted: #64748b;
            --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --gradient-2: linear-gradient(135deg, #7c3aed 0%, #f97316 100%);
            --gradient-3: linear-gradient(135deg, #06b6d4 0%, #7c3aed 100%);
            --gradient-dark: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
            --neon-glow: 0 0 20px rgba(124, 58, 237, 0.5);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            color: var(--dark);
        }

        /* Glassmorphism Effects */
        .glass {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 20px;
        }

        /* Navigation */
        .navbar {
            background: rgba(15, 15, 35, 0.95) !important;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(124, 58, 237, 0.2);
            transition: all 0.3s ease;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        }

        /* Advertisement Styles */
        @import url('advertisements.css');

        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            background: var(--gradient-2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: var(--neon-glow);
        }

        .nav-link {
            font-weight: 500;
            color: white !important;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary) !important;
            transform: translateY(-2px);
            text-shadow: var(--neon-glow);
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            background: var(--gradient-3);
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="%23ffffff08" points="0,1000 1000,1000 1000,0 500,500"/></svg>');
            animation: float 6s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(5deg); }
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            color: white;
            margin-bottom: 1.5rem;
            animation: slideInUp 1s ease-out;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .hero p {
            font-size: 1.25rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 2rem;
            animation: slideInUp 1s ease-out 0.2s both;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Buttons */
        .btn-primary, .btn-success, .btn-warning, .btn-info{
            padding: 1rem;
        }
        .btn-primary {
            background: var(--gradient-2);
            border: none;
            padding: 1rem;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
        }

        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: white;
            padding: 15px 30px;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s ease;
        }

        .btn-outline-light:hover {
            background: white;
            color: var(--primary);
            transform: translateY(-3px);
        }

        /* Features Section */
        .features {
            padding: 100px 0;
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
        }

        .feature-card {
            background: white;
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: 0 10px 50px rgba(124, 58, 237, 0.1);
            transition: all 0.3s ease;
            border: 1px solid rgba(124, 58, 237, 0.1);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-2);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 80px rgba(124, 58, 237, 0.2);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-icon {
            width: 80px;
            height: 80px;
            background: var(--gradient-2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 2rem;
            box-shadow: var(--neon-glow);
        }

        /* FAQ Section */
        .faq {
            padding: 100px 0;
            background: white;
        }

        .accordion-item {
            border: none;
            margin-bottom: 15px;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
        }

        .accordion-button {
            background: white;
            border: none;
            font-weight: 600;
            padding: 20px 25px;
        }

        .accordion-button:not(.collapsed) {
            background: var(--gradient);
            color: white;
        }

        /* Audio Editor Styles */
        .audio-editor {
            background: var(--dark);
            color: white;
            min-height: 100vh;
            padding: 30px 0;
        }

        .editor-panel {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            padding: 25px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .control-panel {
            display: flex;
            gap: 15px;
            align-items: center;
            flex-wrap: wrap;
            margin: 20px 0;
        }

        .control-btn {
            background: var(--gradient);
            border: none;
            color: white;
            padding: 12px 20px;
            border-radius: 10px;
            font-weight: 500;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .control-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }

        .control-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .time-display {
            background: rgba(255, 255, 255, 0.1);
            padding: 10px 15px;
            border-radius: 8px;
            font-family: 'Courier New', monospace;
            font-weight: bold;
        }

        .volume-control {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .effect-controls {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 20px 0;
        }

        .effect-group {
            background: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .range-slider {
            width: 100%;
            margin: 10px 0;
        }

        .file-drop-zone {
            border: 2px dashed rgba(255, 255, 255, 0.3);
            border-radius: 15px;
            padding: 40px 20px;
            text-align: center;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .file-drop-zone:hover,
        .file-drop-zone.dragover {
            border-color: var(--primary);
            background: rgba(99, 102, 241, 0.1);
        }

        /* Utilities */
        .section-title {
            font-size: 2.5rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 3rem;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hidden {
            display: none !important;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .control-panel {
                justify-content: center;
            }
            
            .effect-controls {
                grid-template-columns: 1fr;
            }

            .waveform {
                height: 250px;
            }

            .waveform-bars {
                gap: 3px;
                padding: 15px;
            }

            .waveform-bar {
                width: 4px;
            }

            .frequency-label {
                padding: 6px 12px;
            }

            .freq-text {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 480px) {
            .waveform {
                height: 200px;
            }

            .waveform-bars {
                gap: 2px;
                padding: 10px;
            }

            .waveform-bar {
                width: 3px;
            }

            .waveform-overlay {
                bottom: 10px;
                left: 10px;
                right: 10px;
            }
        }

        /* Loading Animation */
        .loading {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: #fff;
            animation: spin 1s ease-in-out infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* Waveform visualization */
        .waveform {
            width: 100%;
            height: 300px;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(6, 182, 212, 0.1));
            border-radius: 20px;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(20px);
            box-shadow: 0 20px 50px rgba(124, 58, 237, 0.3);
        }

        .waveform::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 50% 50%, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
            animation: pulse-glow 3s ease-in-out infinite;
        }

        .waveform-bars {
            display: flex;
            height: 100%;
            align-items: center;
            justify-content: center;
            gap: 4px;
            position: relative;
            z-index: 2;
            padding: 20px;
        }

        .waveform-bar {
            width: 6px;
            background: linear-gradient(180deg, #7c3aed 0%, #06b6d4 50%, #f97316 100%);
            border-radius: 3px;
            animation: waveform-dance 2s ease-in-out infinite;
            box-shadow: 0 0 10px rgba(124, 58, 237, 0.5);
            transition: all 0.3s ease;
        }

        .waveform-bar:nth-child(1) { animation-delay: 0s; height: 30%; }
        .waveform-bar:nth-child(2) { animation-delay: 0.1s; height: 60%; }
        .waveform-bar:nth-child(3) { animation-delay: 0.2s; height: 45%; }
        .waveform-bar:nth-child(4) { animation-delay: 0.3s; height: 80%; }
        .waveform-bar:nth-child(5) { animation-delay: 0.4s; height: 35%; }
        .waveform-bar:nth-child(6) { animation-delay: 0.5s; height: 70%; }
        .waveform-bar:nth-child(7) { animation-delay: 0.6s; height: 50%; }
        .waveform-bar:nth-child(8) { animation-delay: 0.7s; height: 85%; }
        .waveform-bar:nth-child(9) { animation-delay: 0.8s; height: 40%; }
        .waveform-bar:nth-child(10) { animation-delay: 0.9s; height: 25%; }
        .waveform-bar:nth-child(11) { animation-delay: 1.0s; height: 55%; }
        .waveform-bar:nth-child(12) { animation-delay: 1.1s; height: 75%; }
        .waveform-bar:nth-child(13) { animation-delay: 1.2s; height: 30%; }
        .waveform-bar:nth-child(14) { animation-delay: 1.3s; height: 65%; }
        .waveform-bar:nth-child(15) { animation-delay: 1.4s; height: 45%; }
        .waveform-bar:nth-child(16) { animation-delay: 1.5s; height: 90%; }
        .waveform-bar:nth-child(17) { animation-delay: 1.6s; height: 35%; }
        .waveform-bar:nth-child(18) { animation-delay: 1.7s; height: 60%; }
        .waveform-bar:nth-child(19) { animation-delay: 1.8s; height: 50%; }
        .waveform-bar:nth-child(20) { animation-delay: 1.9s; height: 40%; }

        .waveform:hover .waveform-bar {
            transform: scaleY(1.2);
            box-shadow: 0 0 20px rgba(124, 58, 237, 0.8);
        }

        .waveform-overlay {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 3;
        }

        .frequency-label {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            padding: 8px 16px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .freq-text {
            color: white;
            font-size: 0.9rem;
            font-weight: 600;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }

        .freq-indicator {
            width: 8px;
            height: 8px;
            background: #10b981;
            border-radius: 50%;
            animation: indicator-pulse 2s ease-in-out infinite;
            box-shadow: 0 0 10px rgba(16, 185, 129, 0.6);
        }

        @keyframes indicator-pulse {
            0%, 100% { 
                opacity: 1;
                transform: scale(1);
            }
            50% { 
                opacity: 0.6;
                transform: scale(1.3);
            }
        }

        @keyframes waveform-dance {
            0%, 100% { 
                transform: scaleY(1);
                filter: brightness(1);
            }
            50% { 
                transform: scaleY(1.5);
                filter: brightness(1.3);
            }
        }

        @keyframes pulse-glow {
            0%, 100% { opacity: 0.3; }
            50% { opacity: 0.6; }
        }

        @keyframes pulse {
            0%, 100% { height: 20%; }
            50% { height: 80%; }
        }